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Mucoepidermoid lung carcinoma is a histological type that derives from the tracheobronchial mucous glands. It is manifested by trachea symptoms. Curative or palliative purpose for the disease, nowadays presents a strong oncology tendency to develop therapeutic strategies aimed at the administration of high potential compounds to improve the ionizing radiation treatments, so as to increase the radiation effects on tumor cells while minimizing these effects to surrounding normal tissues. The intensive search for such strategies showed promising results by the compound called Resveratrol, making it widely available and subject of many studies. The main of this study was to determine in vitro resveratrol effect in mucoepidermoid lung carcinoma cells NCI-H292 [H292] (ATCC CRL-1848), CCIAL069, exposed to ionizing radiation doses. For this purpose, there were performed in vitro cytotoxicity studies by neutral red uptake assay, as well as the lethal dose 50 % (LD50) of ionizing radiation. On the basis of the IC50% (401.5 μM) and LD50 (693 Gy) results, there were performed in vitro micronucleus test and other tests in order to evaluate the cell cycle, repair and injury processes, cellular apoptosis and necrosis inductions. The results showed that resveratrol in 30 uM concentrations showed an important capability to injury NCI-H292 cells after 24 h of irradiation.

Avaliação dos efeitos da radiação ionizante e do Resveratrol na cultura de células tumorais de pulmão